Elevating and lowering pulley



FIG. 1 is a front view in elevation of the elevating and lowering pulley of the present invention;

FIG. 2 is a rear view in elevation of the elevating and lowering pulley of FIG. 1;

FIG. 3 is a top plan of the elevating and lowering pulley of FIG. 1;

FIG. 4 is bottom plan view of the elevating and lowering pulley of FIG. 1;

FIG. 5 is a side view of the elevating and lowering pulley as seen from the left side of FIG. 1; and,

FIG. 6 is a side view of the elevating and lowering pulley as seen from the right side of FIG. 1.

The broken line showing of bolting elements is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design of elevating and lowering pulley, as shown and described. 